<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>登录失败</title>
        <style>
            .container { 
                text-align: center; 
                margin-top: 100px;
                font-family: Arial, sans-serif;
            }
            button {
                padding: 10px 20px;
                font-size: 16px;
                margin-top: 20px;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <h1>$$$登录失败！</h1>
            <button onclick="window.location.href='/'">返回登录页面</button>
        </div>
    </body>
</html>